us vice president joe biden has arrived in japan and will soon step into a dispute that's generating plenty of friction in east asia will be meeting the leaders in tokyo beijing and seoul to talk about china's newly established arab defense identification zone. biden will sit down on tuesday with japanese prime minister shinzo lafayette ave has called the zone very dangerous. chinese defence ministry officials announced last month they set up the cell. it covers a large part of the east china sea and includes islands the japanese controlled but the chinese and taiwanese plane. my dad will have to try to forgive the chicken the vice president will meet on wednesday with pressing she's in pain and other chinese leaders. analysts say biden is starting his six day he shouldn't or in japan to highlight the decades old u s japan alliance and to court in a response to china will travel to south korea later this week. us leaders responded quickly to china's move with both words and actions. top officials criticize the chinese for trying to change the status quo in the asia pacific. and milit